JP2008532140A5 - - Google Patents
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- JP2008532140A5 JP2008532140A5 JP2007557019A JP2007557019A JP2008532140A5 JP 2008532140 A5 JP2008532140 A5 JP 2008532140A5 JP 2007557019 A JP2007557019 A JP 2007557019A JP 2007557019 A JP2007557019 A JP 2007557019A JP 2008532140 A5 JP2008532140 A5 JP 2008532140A5
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Claims (53)
複数の出力端子及び複数の入力端子を有する少なくとも一つのメモリデバイスと、を有するメモリシステムであって、
少なくとも一つの前記メモリデバイスは、
書き込みコマンドに応じて書き込みデータを格納し、読み出しコマンドに応じて読み出しデータを出力するよう動作可能な複数のメモリセルのバンクと、
それぞれが前記メモリデバイスの前記入力端子を、メモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部書き込みデータバスと、
それぞれが前記メモリデバイスの前記出力端子を、メモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部読み出しデータバスであって、前記内部書き込みデータバスから絶縁されている内部読み出しデータバスと、
前記内部書き込みデータバス及びそれぞれの前記バンクに接続されている書き込みデータ選択回路であって、それぞれの前記内部書き込みデータバスを前記バンクのいずれかに選択的に接続するよう動作可能である書き込みデータ選択回路と、
前記内部読み出しデータバス及びそれぞれの前記バンクに接続されている読み出しデータ選択回路であって、前記バンクのいずれかをそれぞれの前記内部読み出しデータバスに選択的に接続するよう動作可能である読み出しデータ選択回路と、
前記バンクのうちの一つを読みだし或いは書き込みメモリアクセスのために選択し、前記選択されたバンクのメモリセルのロウ及びカラムを選択するように動作可能であるアドレシング回路と、
メモリコマンドを受け取ってデコードし、前記メモリコマンドに対応する制御信号を発生するよう動作可能なコマンドデコーダであって、少なくとも幾つかの前記制御信号は、書き込みデータ選択回路を制御して、前記内部書き込みデータバスのどちらかを介して、前記メモリデバイスの前記入力端子から、選択されたバンクへと書き込みデータを接続し、少なくとも幾つかの前記制御信号は、前記読み出しデータ選択回路を制御して、前記内部読み出しデータバスのどちらかを介して、選択されたバンクから前記メモリデバイスの前記出力端子へと読み出しデータを接続する、コマンドデコーダと、
前記メモリコントローラの前記出力端子を前記メモリデバイスの前記入力端子へと接続する下流バスであって、前記メモリコントローラの前記入力端子及び前記メモリデバイスの前記出力端子から絶縁されている下流バスと、
前記メモリデバイスの前記出力端子を前記メモリコントローラの前記入力端子へと接続する上流バスであって、前記メモリコントローラの前記出力端子及び前記メモリデバイスの前記入力端子から絶縁されている上流バスと、
を備えていることを特徴とするメモリシステム。 A memory controller having a plurality of output terminals and a plurality of input terminals;
A memory system having at least one memory device having a plurality of output terminals and a plurality of input terminals,
At least one of the memory devices is
A bank of memory cells operable to store write data in response to a write command and to output read data in response to a read command;
At least a pair of internal write data buses each connecting the input terminal of the memory device to each of the banks of memory cells;
At least a pair of internal read data buses each connecting the output terminal of the memory device to each of the banks of memory cells, the internal read data bus being isolated from the internal write data bus;
A write data selection circuit connected to the internal write data bus and each of the banks, the write data selection being operable to selectively connect each of the internal write data buses to any of the banks Circuit,
A read data selection circuit connected to the internal read data bus and each of the banks, the read data selection being operable to selectively connect any of the banks to the respective internal read data bus Circuit,
An addressing circuit operable to select one of the banks for read or write memory access and to select a row and column of memory cells of the selected bank;
A command decoder operable to receive and decode a memory command and generate a control signal corresponding to the memory command, wherein at least some of the control signals control a write data selection circuit to control the internal write Write data is connected to the selected bank from the input terminal of the memory device via one of the data buses, and at least some of the control signals control the read data selection circuit to A command decoder for connecting read data from a selected bank to the output terminal of the memory device via either an internal read data bus;
A downstream bus connecting the output terminal of the memory controller to the input terminal of the memory device, wherein the downstream bus is insulated from the input terminal of the memory controller and the output terminal of the memory device;
An upstream bus connecting the output terminal of the memory device to the input terminal of the memory controller, wherein the upstream bus is insulated from the output terminal of the memory controller and the input terminal of the memory device;
A memory system comprising:
少なくとも一つの前記メモリデバイスは、
書き込みコマンドに応じて書き込みデータを格納し、読み出しコマンドに応じて読み出しデータを出力するよう動作可能な複数のメモリセルのバンクと、
それぞれが複数のメモリデバイス入力端子をメモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部書き込みデータバスと、
それぞれが複数のメモリデバイス出力端子をメモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部読み出しデータバスであって、前記内部書き込みデータバスから絶縁されている内部読み出しデータバスと、
前記内部書き込みデータバス及びそれぞれの前記バンクに接続されている書き込みデータ選択回路であって、それぞれの前記内部書き込みデータバスを前記バンクのいずれかに選択的に接続するよう動作可能である書き込みデータ選択回路と、
前記内部読み出しデータバス及びそれぞれの前記バンクに接続されている読み出しデータ選択回路であって、前記バンクのいずれかをそれぞれの前記内部読み出しデータバスに選択的に接続するよう動作可能である読み出しデータ選択回路と、
前記バンクのうちの一つを読みだし或いは書き込みメモリアクセスのために選択し、前記選択されたバンクのメモリセルのロウ及びカラムを選択するように動作可能であるアドレシング回路と、
メモリコマンドを受け取ってデコードし、前記メモリコマンドに対応する制御信号を発生するよう動作可能なコマンドデコーダであって、少なくとも幾つかの前記制御信号は、書き込みデータ選択回路を制御して、前記内部書き込みデータバスのどちらかを介して、前記メモリデバイスの前記入力端子から選択されたバンクへと書き込みデータを接続し、少なくとも幾つかの前記制御信号は、前記読み出しデータ選択回路を制御して、前記内部読み出しデータバスのどちらかを介して、選択されたバンクから前記メモリデバイスの前記出力端子へと読み出しデータを接続する、コマンドデコーダと、
を備えることを特徴とするメモリデバイス。 A memory device having a plurality of output terminals and a plurality of input terminals,
At least one of the memory devices is
A bank of memory cells operable to store write data in response to a write command and to output read data in response to a read command;
At least a pair of internal write data buses each connecting a plurality of memory device input terminals to each of the banks of memory cells;
At least a pair of internal read data buses each connecting a plurality of memory device output terminals to each of the banks of memory cells, the internal read data buses being isolated from the internal write data bus;
A write data selection circuit connected to the internal write data bus and each of the banks, the write data selection being operable to selectively connect each of the internal write data buses to any of the banks Circuit,
A read data selection circuit connected to the internal read data bus and each of the banks, the read data selection being operable to selectively connect any of the banks to the respective internal read data bus Circuit,
An addressing circuit operable to select one of the banks for read or write memory access and to select a row and column of memory cells of the selected bank;
A command decoder operable to receive and decode a memory command and generate a control signal corresponding to the memory command, wherein at least some of the control signals control a write data selection circuit to control the internal write Write data is connected to the selected bank from the input terminal of the memory device via one of the data buses, and at least some of the control signals control the read data selection circuit to A command decoder for connecting read data from a selected bank to the output terminal of the memory device via one of the read data buses;
A memory device comprising:
前記プロセッサバスを介して前記プロセッサに接続され、データを前記コンピュータシステムへ入力することを可能にする入力デバイスと、
前記プロセッサバスを介して前記プロセッサに接続され、データを前記コンピュータシステムから出力することを可能にする出力デバイスと、
前記プロセッサバスを介して前記プロセッサに接続された大規模データ格納デバイスであって、前記大規模格納デバイスからデータが読み出されることを可能にする大規模データ格納デバイスと、
前記プロセッサバスを介して前記プロセッサに接続されるメモリコントローラであって、複数の出力端子及び複数の入力端子を有しているメモリコントローラと、
複数の出力端子及び複数の入力端子を有する少なくとも一つのメモリデバイスと、を備える、プロセッサに基づくシステムであって、
少なくとも一つの前記メモリデバイスは、
書き込みコマンドに応じて書き込みデータを格納し、読み出しコマンドに応じて読み出しデータを出力するよう動作可能な複数のメモリセルのバンクと、
それぞれが前記メモリデバイスの前記入力端子を、メモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部書き込みデータバスと、
それぞれが前記メモリデバイスの前記出力端子を、メモリセルの前記バンクのそれぞれへと接続する少なくとも一対の内部読み出しデータバスであって、前記内部書き込みデータバスから絶縁されている内部読み出しデータバスと、
前記内部書き込みデータバス及びそれぞれの前記バンクに接続されている書き込みデータ選択回路であって、それぞれの前記内部書き込みデータバスを前記バンクのいずれかに選択的に接続するよう動作可能である書き込みデータ選択回路と、
前記内部読み出しデータバス及びそれぞれの前記バンクに接続されている読み出しデータ選択回路であって、前記バンクのいずれかをそれぞれの前記内部読み出しデータバスに選択的に接続するよう動作可能である読み出しデータ選択回路と、
前記バンクのうちの一つを読みだし或いは書き込みメモリアクセスのために選択し、前記選択されたバンクのメモリセルのロウ及びカラムを選択するように動作可能であるアドレシング回路と、
メモリコマンドを受け取ってデコードし、前記メモリコマンドに対応する制御信号を発生するよう動作可能なコマンドデコーダであって、少なくとも幾つかの前記制御信号は、書き込みデータ選択回路を制御して、前記内部書き込みデータバスのどちらかを介して、前記メモリデバイスの前記入力端子から選択されたバンクへと書き込みデータを接続し、少なくとも幾つかの前記制御信号は、前記読み出しデータ選択回路を制御して、前記内部読み出しデータバスのどちらかを介して、選択されたバンクから前記メモリデバイスの前記出力端子へと読み出しデータを接続する、コマンドデコーダと、
前記メモリコントローラの前記出力端子を前記メモリデバイスの前記入力端子へと接続する下流バスであって、前記メモリコントローラの前記入力端子及び前記メモリデバイスの前記出力端子から絶縁されている下流バスと、
前記メモリデバイスの前記出力端子を前記メモリコントローラの前記入力端子へと接続する上流バスであって、前記メモリコントローラの前記出力端子及び前記メモリデバイスの前記入力端子から絶縁されている上流バスと、
を備えることを特徴とするプロセッサに基づくシステム。 A processor having a processor bus;
An input device connected to the processor via the processor bus and allowing data to be input to the computer system;
An output device connected to the processor via the processor bus and allowing data to be output from the computer system;
A large-scale data storage device connected to the processor via the processor bus, the large-scale data storage device enabling data to be read from the large-scale storage device;
A memory controller connected to the processor via the processor bus, the memory controller having a plurality of output terminals and a plurality of input terminals;
A processor-based system comprising: at least one memory device having a plurality of output terminals and a plurality of input terminals;
At least one of the memory devices is
A bank of memory cells operable to store write data in response to a write command and to output read data in response to a read command;
At least a pair of internal write data buses each connecting the input terminal of the memory device to each of the banks of memory cells;
At least a pair of internal read data buses each connecting the output terminal of the memory device to each of the banks of memory cells, the internal read data bus being isolated from the internal write data bus;
A write data selection circuit connected to the internal write data bus and each of the banks, the write data selection being operable to selectively connect each of the internal write data buses to any of the banks Circuit,
A read data selection circuit connected to the internal read data bus and each of the banks, the read data selection being operable to selectively connect any of the banks to the respective internal read data bus Circuit,
An addressing circuit operable to select one of the banks for read or write memory access and to select a row and column of memory cells of the selected bank;
A command decoder operable to receive and decode a memory command and generate a control signal corresponding to the memory command, wherein at least some of the control signals control a write data selection circuit to control the internal write Write data is connected to the selected bank from the input terminal of the memory device via one of the data buses, and at least some of the control signals control the read data selection circuit to A command decoder for connecting read data from a selected bank to the output terminal of the memory device via one of the read data buses;
A downstream bus connecting the output terminal of the memory controller to the input terminal of the memory device, wherein the downstream bus is insulated from the input terminal of the memory controller and the output terminal of the memory device;
An upstream bus connecting the output terminal of the memory device to the input terminal of the memory controller, wherein the upstream bus is insulated from the output terminal of the memory controller and the input terminal of the memory device;
A processor-based system comprising:
複数の書き込みデータバス端子を介して書き込みデータを前記メモリデバイスへと接続し、
複数の読み出しデータバス端子を介して読み出しデータを前記メモリデバイスから接続し、
前記書き込みデータを前記書き込みデータバス端子から前記バンクのうちの第二のバンクへと接続する、ならびに、前記読み出しデータを前記バンクのうちの第三のバンクから前記読み出しデータバス端子へと接続するのと同時に、前記書き込みデータを前記書き込みデータバス端子から前記バンクのうちの第一のバンクへ接続する、
ことを特徴とする方法。 A method of connecting data to and from a memory device having a bank of memory cells, the method comprising:
Connecting write data to the memory device via a plurality of write data bus terminals,
Connecting read data from the memory device via a plurality of read data bus terminals;
Connecting the write data from the write data bus terminal to a second bank of the banks, and connecting the read data from a third bank of the banks to the read data bus terminal; At the same time, the write data is connected from the write data bus terminal to the first bank of the banks ,
A method characterized by that.
ことを特徴とする請求項34に記載の方法。 From said third bank of said banks simultaneously and to connect the read data to the read data bus terminals, further comprising connecting the read data from the fourth bank of said banks,
35. The method of claim 34.
前記バンクの他への前記書き込み要求の他の一つのための、前記保持された書き込みデータの接続と同時に起こる、前記バンクのうちの一つへの前記書き込み要求の一つのための前記保持された書き込みデータの接続と、
を更に有することを特徴とする請求項34に記載の方法。 Holding the write data in the memory device for a plurality of write requests without connection of the write data to one of the banks of memory cells upon receipt of the write data;
The held for one of the write requests to one of the banks that coincides with the connection of the held write data for another one of the write requests to the other of the bank. Write data connection and
35. The method of claim 34, further comprising:
複数のそれぞれの書き込み要求のための、複数の書き込みデータバス端子を介した、前記メモリデバイスへの前記書き込みデータの接続と、
前記バンクの他への前記書き込み要求の他の一つのための、前記書き込みデータの接続と同時に起こる、前記バンクのうちの一つへの前記書き込み要求のうちの一つのための、前記書き込みデータの接続と、
を含むことを特徴とする方法。 A method of connecting write data to a memory device having a bank of memory cells, the method comprising:
Connection of the write data to the memory device via a plurality of write data bus terminals for a plurality of respective write requests;
The write data for one of the write requests to one of the banks that coincides with the connection of the write data for the other one of the write requests to the other of the bank. Connection,
A method comprising the steps of:
前記書き込み要求のうちの一つのための前記書き込みデータ及び、前記書き込みデータの受け取りによるメモリセルの前記バンクへの前記書き込みデータの接続なしでの、前記メモリデバイスの前記書き込み要求の他の一つのための前記書き込みデータの保持と、
前記バンクの他への前記書き込み要求の他の一つための前記保持された書き込みデータの接続と同時に起こる、前記バンクの一つへの前記書き込み要求の一つのための前記保持された書き込みデータの接続と、
を含むことを特徴とする請求項41に記載の方法。 The write for one of the write requests to one of the banks that coincides with the connection of the write data for the other one of the write requests to the other of the bank The operation of data connection is
For the write data for one of the write requests and for the other one of the write requests of the memory device without connection of the write data to the bank of memory cells upon receipt of the write data Holding the write data of
Of the retained write data for one of the write requests to one of the banks that coincides with the connection of the retained write data for another one of the write requests to the other of the bank. Connection,
42. The method of claim 41 , comprising:
前記複数の読み出し要求のうちの他の一つに応じて、前記バンクの他の一つからの前記読み出しデータの接続と同時に起こる、複数の読み出し要求のうちの一つに応じた前記バンクのうちの一つからの前記読み出しデータの接続と、
前記複数のそれぞれの読み出し要求に応じた、複数の読み出しデータバス端子を介した前記メモリデバイスからの前記読み出しデータの接続と、
を含むことを特徴とする方法。 A method of connecting read data from a memory device having a bank of memory cells, the method comprising:
In response to another one of the plurality of read requests, the bank corresponding to one of the plurality of read requests that occurs simultaneously with connection of the read data from the other one of the banks. Connection of the read data from one of
Connection of the read data from the memory device via a plurality of read data bus terminals in response to the respective read requests;
A method comprising the steps of:
49. The method of claim 48 , wherein the memory device comprises a dynamic random access memory device.
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US11/064,543 | 2005-02-23 | ||
US11/064,543 US7209405B2 (en) | 2005-02-23 | 2005-02-23 | Memory device and method having multiple internal data buses and memory bank interleaving |
PCT/US2006/001153 WO2006091283A2 (en) | 2005-02-23 | 2006-01-11 | Memory device and method having multiple internal data buses and memory bank interleaving |
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